Jack Dorsey
Jack Dorsey (born November 19, 1976) is an American web developer and businessman widely known as a co-founder of Twitter, and as the founder and CEO of Square, a mobile payments company. In 2008, he was named to the MIT Technology Review TR35 as one of the top 35 innovators in the world under the age of 35. For 2012, The Wall Street Journal gave him the "Innovator of the Year Award" for technology.